Slim says, "You hadda George, I swear you hadda."
The river did not get destroyed. The civilization did. There is no evidence how it did.
manuel was selling buck for money
what happened to the Mississippi river in 1812
lots of things happened
River Patrol happened in 1981.
Battle of River happened in 633.
River Raid happened in 1982.
The Saraswati river had an earthquake rhated it seperate
Mr. Quintanilla through it in the river. judge order the gun too to be tossed in the river that killed Selena.
St. John River expedition happened on 1777-06-02.
it falls in the ocean or get merged with an other river
Caerleon - but remember King Arthur and Camelot is a story/legend not a historical fact and there is no evidence that Camelot existed or if it did exist where it really was.